Home / Standards / GB/T 39857-2021 GB/T 39857-2021 Active Specification of photovoltaic power generation efficiency 光伏发电效率技术规范 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A